Mechanical properties of S-65C grade beryllium at elevated temperatures | Zendy

S.H. Goods | Zendy; David Dombrowski | Zendy

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Mechanical properties of S-65C grade beryllium at elevated temperatures

Author(s) -

S.H. Goods,

David Dombrowski

Publication year - 1997

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/642759

Subject(s) - materials science , ductility (earth science) , beryllium , ultimate tensile strength , strain rate , scanning electron microscope , fracture (geology) , composite material , yield (engineering) , tensile testing , chemistry , creep , organic chemistry

Tensile property measurements and fractographic analysis of S-65C beryllium are reviewed. Tests were performed on specimens oriented in the longitudinal and transverse directions with respect to the direction of vacuum hot pressing. Specimens were tested in air at RT, 100 C, 200 C, 300 C, 415 C and 500 C at an initial strain rate of 1.1 {times} 10(sup {minus}4) per second. Ductility of the material was strongly affected by the test temperature, exhibiting a peak ductility at 300 C. The material displayed a yield point phenomenon which was most pronounced at this same temperature. Scanning electron microscopy was performed on the resulting fracture surfaces and observations are reported

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